What is GHSA-cx87-mv7w-77j9?

GHSA-cx87-mv7w-77j9 is a security advisory published by GitHub Security Advisories with High severity. Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a...

Which CVE IDs does GHSA-cx87-mv7w-77j9 cover?

GHSA-cx87-mv7w-77j9 covers the following CVE IDs: CVE-2026-45588. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cx87-mv7w-77j9?

GHSA-cx87-mv7w-77j9 has a CVSS v3 base score of 7.9, published by GitHub Security Advisories.

GHSA-cx87-mv7w-77j9HighCVSS 7.9

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-45588 →

📋 Description

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-45588
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45588
https://github.com/advisories/GHSA-cx87-mv7w-77j9